Rare designer glass pendant lamp by rolf krüger for staff, germany, 1970s, germany, circa 1970-1979. Sockets: one x e27 standard bulb (max. 100 watts) and compatible also with the us standards. Measures: diameter 33 cm / 13 inches height (adjustable) 73 cm / 28.7 inches. Fully functional. Very good condition. Drop rod can be adjusted as required, for greater or lesser drop. This piece is attributed to the mentioned designer/maker. It has no attribution mark and no official proof of authenticity, however it is well documented in design history. I take full responsibility for any authenticity issues arising from misattribution, up to 250v (europe/uk standard).the wiring of this item may be original and might need replacement, if not specified otherwise.